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TMS320C6748: Program not working when loaded in different memory

AAAA PPPP
Expert 1410 points
Part Number: TMS320C6748

Hello,

I am working in c6748 LCDK kit. All sections of my program was initially loaded in SHDSPL2RAM   o = 0x11800000  l = 0x00040000   /* 256kB L2 Shared Internal RAM */ and program wa sworking satisfactorily. 

When I loaded all sections of my program in  DSPL1DRAM    o = 0x00F00000  l = 0x00008000   /* 32kB L1 Internal Data RAM */ the program was built successfully and burned successfully via my XDS110 JTAG emulator. But the program dont halt at breakpoint after main. Why does this happen So? Please explain.

When I loaded all section sof my program in  DDR2         o = 0xC0000000  l = 0x20000000   /* 512MB DDR2 Data */ program built successfully. But it does not burn. I get 

Load program error:

Path of program:a data verification error occured,file load failed

Why does this happen? How can I solve these two issues?

Thanks in advance

With Regards

Shalini

  • 0
    TI__Guru* 84110 points
    Shalini,

    Trial-and-error is not the best way to learn how to use a processor. We have training materials available online which will bring you up to speed more quickly on the C6748. If you need help finding the training materials, search on TI.com for "c6748 training" (no quotes). There are old and new training modules, many of which directly target the LCDK C6748 to your benefit.

    You cannot load your program into L1D. The D means Data.

    Check whether you can write/read DDR2 manually in the CCS Memory Browser window. There is more to the error message, and you can learn where the failure occurred and try it manually yourself to confirm a problem or not.

    Going through the training materials will show you about the processor and about the development tools. Good luck.

    Regards,
    RandyP
  • 0 in reply to RandyP
    Expert 1410 points
    Hello,

    Thanks for reply.

    I loaded program in L1P also. Then also I didnt get breakpoint.

    With Regards
    Shalini
  • 0 in reply to AAAA PPPP
    TI__Mastermind 27355 points
    Hello Shalini,

    A guide for troubleshooting data verification errors can be found at the link below.

    software-dl.ti.com/.../troubleshooting-data_verification_errors.html

    Please take a look and let us know if you are still having issues.

    Regards,
    Sahin